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Research Spending & Results

Award Detail

Awardee:UNIVERSITY OF MIAMI
Doing Business As Name:University of Miami
PD/PI:
  • David C Kadko
  • (305) 348-5016
  • dkadko@fiu.edu
Award Date:08/20/2012
Estimated Total Award Amount: $ 112,531
Funds Obligated to Date: $ 80,553
  • FY 2012=$80,553
Start Date:09/01/2012
End Date:09/30/2014
Transaction Type:Grant
Agency:NSF
Awarding Agency Code:4900
Funding Agency Code:4900
CFDA Number:47.078
Primary Program Source:040100 NSF RESEARCH & RELATED ACTIVIT
Award Title or Description:Collaborative Research: Sample Analysis to Test a Novel Method of Determining Atmospheric Deposition of Trace Elements to the Ocean/Ice System of the Arctic
Federal Award ID Number:1202990
DUNS ID:152764007
Parent DUNS ID:004146619
Program:ANS-Arctic Natural Sciences
Program Officer:
  • Henrietta Edmonds
  • (703) 292-7427
  • hedmonds@nsf.gov

Awardee Location

Street:4600 RICKENBACKER CSWY
City:Key Biscayne
State:FL
ZIP:33149-1031
County:Key Biscayne
Country:US
Awardee Cong. District:27

Primary Place of Performance

Organization Name:University of Miami, RSMAS
Street:4600 Rickenbacker Cswy.
City:Key Biscayne
State:FL
ZIP:33149-1031
County:Key Biscayne
Country:US
Cong. District:27

Abstract at Time of Award

The investigators propose to use the naturally occurring isotope beryllium-7, which is produced in the atmosphere by cosmic rays and has a 53.3-day half-life, as a tracer for estimating the atmospheric fluxes of a variety of trace elements to the surface of the Arctic Ocean. They have collected samples of snow, sea ice, surface waters, and atmospheric aerosols through an international collaboration concurrent with the preparation of this proposal. This project provides funding for the analysis of Be-7 and for trace elements including aluminum, manganese, iron, cupper, zinc, cadmium, and lead. The atmospheric input of numerous chemical species into the global ocean has been shown to equal or exceed that from river sources. In the Arctic, several contaminant elements in particular are dominated by atmospheric sources, with implications for the Arctic ecosystem and human health. The project will investigate several elements of interest to the international GEOTRACES program, which is currently formulating plans for coordinated Arctic work. The project will support a Ph.D. student who will incorporate these results into his dissertation.

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